Answer:
chromosomes.
Explanation:
Chromosomes occur as strands of long-chain protein molecules called DNA. Chromosomes are made up of two strands each called chromatid . The chromatids are joined at a point called centromere. During prophase, the chromosomes become tightly coiled and so appear shorter and thicker. Parts of chromosomes form functional units called genes which determine different activities of the cell. Genes are hereditary and can be transmitted from parent to off-spring.
Answer:
Gas exchange occurs at two sites in the body: in the lungs, where oxygen is picked up and carbon dioxide is released at the respiratory membrane, and at the tissues, where oxygen is released and carbon dioxide is picked up.
Explanation:
Answer: past
Explanation: answers show that combonations can develope things
When they compare they can see the difference and similarities to get to the end result
Question 1
Second
Question 2
Uterus
Question 3
High fever
Question 4
Question 5
Fetal microsomia
Question 6
True
Question 7
False
Question 8
Question 9
True
Question 10
First
